Thank you very much for your continued support. We would like to inform you that our company will suspend product shipping operations on the following dates due to inventory related to the interim financial results. We apologize for any inconvenience this may cause and appreciate your understanding. Shipping suspension period: September 30, 2022 (Friday)

We are pleased to announce that our NDV product, the "Lined Diaphragm Valve," has been featured in the company introduction project "Plant-Related Company Directory" of the September 2022 special issue of Pipe Technology, titled "Engineering Guide for Piping Engineers 2022" (published by Nippon Kogyo Shuppan Co., Ltd.)! Additionally, articles introducing our main product, the diaphragm valve, as well as ball valves, butterfly valves, and sanitary-related valves have been included! *For more details about the specialized magazine "Pipe Technology" for plant engineers, please refer to the related link. ◆ Lined Diaphragm Valve ◆ 【Product Lineup (Example)】 "Model 430": Hard natural rubber lining on a base material of FC200 or FCD-S "Model 459": PFA lining on a base material of FCD-S or SCS13 "Model 460": ETFE lining on a base material of FCD-S "Model 450": Polyethylene lining on a base material of FC200 "Model 480": Porcelain lining on a base material of FCD-S *For more details, please refer to the catalog or feel free to contact us.

Our company will be closed for a company-wide holiday during the period below. We apologize for any inconvenience this may cause and appreciate your understanding. Summer vacation period: August 11 (Thursday) to August 15 (Monday), 2022 Inquiries received during this holiday period will be addressed sequentially starting from August 16 (Tuesday) after the holiday.

We exhibited at the "24th Interphex Week Tokyo," held at Tokyo Big Sight from July 13 (Wednesday) to July 15 (Friday) this year. Thank you very much for visiting our booth despite your busy schedule. 【Exhibition Details】 ■ Bioclean diaphragm valve ■ Quick-opening handle type: BQL400NB model ■ Products excellent in dead space measures ■ Corrosion-resistant valves with sanitary specifications ■ For powder and granular discharge: sanitary butterfly valve *For more details, please download the catalog or contact us. (The catalog can be downloaded from the catalog page of the special website below.) *If you have any requests or questions that we were unable to address at the venue, please feel free to contact us.

Nihon Diaball Valve Co., Ltd. will be exhibiting at the "24th INTERPHEX Week Tokyo," which will be held at Tokyo Big Sight from July 13 (Wednesday) to July 15 (Friday) this year. This exhibition is one of the world's leading events where specialized technologies in the pharmaceutical and cosmetics industries are showcased, and our company will present various valves optimal for manufacturing processes in pharmaceuticals and biotechnology, including the "Bio-Clean Diaphragm Valve" series. *Demonstrations using actual equipment are planned. 【Details of Exhibits】 ■ Bio-Clean Diaphragm Valve ■ Quick-opening and closing handle type: BQL400NB ■ Products excellent in dead space measures ■ Corrosion-resistant valves with sanitary specifications ■ For powder and granular discharge: Sanitary butterfly valve If you make a prior appointment, our technical staff will be present during the exhibition to provide estimates and proposals, so please feel free to apply for an appointment through our page on the official exhibition website or contact us directly. Additionally, "invitation tickets" are also being distributed for free. If you would like one, please feel free to inquire. We look forward to your visit.

In the June 2022 issue of the monthly magazine "Piping Technology" published by Nippon Kogyo Shuppan Co., Ltd., the "Bio-Clean Diaphragm Valve Quick-Opening Handle Type: BQL400NB" was featured as the optimal valve for sanitary specifications. Additionally, there was an introduction article on the "Lined Diaphragm Valve," which is excellent in corrosion and chemical resistance. *For more information on the "Bio-Clean Diaphragm Valve Quick-Opening Handle Type: BQL400NB" and the "Lined Diaphragm Valve," please refer to the PDF materials or catalogs below, or feel free to contact us. You can also find more details about "Piping Technology" through the related links.

We have revised the NDV "Product Information" catalog (U100-39). For more details, please refer to the related catalog.

We would like to express our sincere gratitude for your continued support. We would like to inform you that our company will suspend product shipping operations on the following dates due to inventory taking related to our financial closing. We apologize for any inconvenience this may cause and appreciate your understanding. Shipping suspension period: Thursday, March 31, 2022.

We have published "General Information on NDV Products" and "Diaphragm Valve Edition" in the Valve FAQ section. You can access it from the link below, so please take a look. *For more details, please refer to the PDF document or feel free to contact us.

We have published information on notable products including "new bio-clean diaphragm valves," "new type diaphragms for diaphragm valves," and "corrosion-resistant valves with clamp connections." You can access it via the link below, so please take a look. 【Main Features】 ■ Currently available on the product pages below! *For more details, please refer to the materials or catalog, or feel free to contact us.

I would like to extend my heartfelt congratulations for the New Year. I sincerely thank you for your exceptional support during the past year. I kindly ask for your continued patronage this year as well. We have resumed normal operations since January 5th. We will respond to inquiries received during the holiday period in due course. We appreciate your patience and understanding.

We exhibited at the "INCHEM TOKYO 2021 34th Plant Show" held at Tokyo Big Sight from November 17 (Wednesday) to 19 (Friday), 2021. Thank you very much for visiting our booth despite your busy schedule. 【Exhibition Details】 ■ Diaphragm Valves - We showcased various lined bodies with excellent corrosion and chemical resistance. ■ Bio-Clean Diaphragm Valves - Sanitary diaphragm valves ideal for manufacturing equipment in pharmaceuticals, cosmetics, food, and semiconductors. ■ Ball Valves - In addition to standard two-way valve types, we offer a series of ball valves suitable for a wide range of applications. - Various valve seats that can be used under special conditions such as abrasive fluids and high-temperature fluids were exhibited. ■ Butterfly Valves - We presented high-value products such as PFA-lined discharge valves for pharmaceutical containers. *For more details, please download our catalog or contact us. (We have English and Chinese versions available for those who need them!) *If you have any requests or questions that we were unable to address at the venue, please feel free to contact us.

From December 30, 2021 (Thursday) to January 4, 2022 (Tuesday) Our company will be closed for a company-wide holiday during the above period. We apologize for any inconvenience this may cause and thank you for your understanding.

Nihon Diaball Valve Co., Ltd. will be exhibiting at the "INCHEM TOKYO 2021 34th Plant Show," which will be held at Tokyo Big Sight from November 17 (Wednesday) to November 19 (Friday) this year. This exhibition is a specialized showcase for the chemical and process industries, and our company will present a variety of valve products suitable for a wide range of industrial fields, including diaphragm valves, ball valves, and butterfly valves, focusing on chemical, environmental and water treatment, and pharmaceuticals. *Demonstrations using actual equipment are planned. [Exhibition Contents] ■ Diaphragm Valves - Various lined bodies with excellent corrosion and chemical resistance will be exhibited. ■ Bio-Clean Diaphragm Valves - Sanitary diaphragm valves ideal for manufacturing equipment in pharmaceuticals, cosmetics, food, and semiconductors. ■ Ball Valves - A series of ball valves suitable for a wide range of fields, including standard two-way valve types. - Various valve seats that can be used under special conditions such as abrasive fluids and high-temperature fluids will be exhibited. ■ Butterfly Valves - High-value-added products such as PFA lined valves and powder discharge valves for pharmaceutical containers will be exhibited. We sincerely look forward to your visit!

The product page for the Bio-Clean Diaphragm Valve is now available. In processes such as "pharmaceuticals" and "food industry," "hygiene management" is a prerequisite... In such cases, valves with "sanitary specifications" are required. ⇒ The valve specialized for this is the "Bio-Clean Diaphragm Valve"! 【Main Features】 ■ Currently available on the product page below! 【Published Product Page】 ■ Features of the Bio-Clean Diaphragm Valve ■ Standard Specifications ■ Manual Operated Valve ■ Pneumatic ON-OFF Valve (Standard Type) ■ Pneumatic ON-OFF Valve (Stainless Steel Drive Part) *For more details, please refer to the catalog or feel free to contact us.

Dear Sir/Madam, I hope this message finds you in good health and spirits. I would like to express my sincere gratitude for your continued support. We regret to inform you that our company will be closed all day on Friday, October 22, 2021, as it is a substitute holiday for our founding anniversary. We apologize for any inconvenience this may cause and appreciate your understanding.

We have revised our "Sanitary Valve" comprehensive catalog. For more details, please refer to the related catalog.

From May 6, 2021 (Thursday) to May 7, 2021 (Friday) Due to the declaration of a state of emergency, our company will be closed for business during the above period. We apologize for any inconvenience this may cause and thank you for your understanding.

In response to customers’ requests, in our catalogues, we provided from basic knowledge to technical data of our valves to facilitate valve selection. If you have any requests regarding our products and catalogs, please feel free to contact us. ■Main Contents - Standard specifications of products (structure and features, valve specifications, key dimensions, actuator selection table, etc.) - Introduction of related products - Important notes for handling *For more details, please download the catalog or contact us.

We are pleased to announce that our company will be renewing and launching the "Direct Mount Limit Switch MDNB Series" for the actuator of our flagship product, the diaphragm valve. Compared to the previous model, we have improved visibility, making it easier to identify!! 【Features】 ■ Outdoor use ■ Compact box with two built-in micro switches ■ Direct mount type *For more details, please download the "leaflet" summarizing the features from the related catalog below, as well as the "latest catalog" (pages 18, 19, and 26) for reference. If you have any questions, please do not hesitate to contact us.

I would like to extend my heartfelt congratulations for the New Year. I sincerely thank you for your exceptional support during the past year. I kindly ask for your continued patronage this year as well. We will resume normal business operations from January 5th. We will respond to inquiries received during the closure in due order. Thank you for your patience and understanding.

From December 30, 2020 (Wednesday) to January 4, 2021 (Monday) Our company will be closed for a company-wide holiday during the above period. We apologize for any inconvenience this may cause and thank you for your understanding.

We exhibited at the 22nd Interphex Japan held at Makuhari Messe from November 25 to 27, 2020. Thank you very much for visiting our booth despite your busy schedule. 【Exhibited Products Introduction】 1. CNT (Carbon Nanotube) Added Antistatic Diaphragm - A product designed to prevent leakage due to electrostatic breakdown! 2. Quick-Opening Handle Type: BQL400NB - Easy operation with a 90-degree rotation, preventing over-tightening of the valve for longer lifespan! 3. Corrosion-Resistant Valve with Sanitary Specifications - Ideal for corrosive fluid measures, gap corrosion prevention, and metal ion elution prevention! 4. Sanitary Butterfly Valve for Powder and Granular Discharge - Excellent washability with a lightweight and compact design using a clamp method! 5. Bio-Clean Diaphragm Valve - A structure that excels in "air tightness," "cleanability," and "maintainability," preventing fluid contamination! *For more details, please download the catalog or contact us. *If you have any requests or questions that we were unable to address at the venue, please feel free to contact us.

We are pleased to announce that our company will be exhibiting at the 22nd INTERPHEX JAPAN, which will be held at Makuhari Messe from November 25 (Wednesday) to November 27 (Friday) this year. In addition to the event at Makuhari Messe, we will also be showcasing a virtual booth online. You can participate in the exhibition online from your office or home. Please register using the URL below and feel free to take a look. ▼ Register here (free) ▼ https://www.interphex.jp/lp_online_vis 【Details of our exhibit】 ■ Quick-opening handle type: BQL400NB model ■ Bioclean diaphragm valve ■ Corrosion-resistant valve with sanitary specifications ■ Sanitary butterfly valve for powder and granular discharge ■ CNT (carbon nanotube) additive antistatic diaphragm

We are pleased to announce that our company will be exhibiting at the 22nd INTERPHEX JAPAN, which will be held at Makuhari Messe from November 25 (Wednesday) to November 27 (Friday) this year. [Booth Number: Hall 4-6, 19-32] We will showcase various valves suitable for manufacturing processes in pharmaceuticals and biotechnology, including our "Bio-Clean Diaphragm Valve" series. *Demonstrations using actual equipment are planned. [Details of Exhibits] ■ Quick-Opening Handle Type: BQL400NB ■ Bio-Clean Diaphragm Valve ■ Corrosion-Resistant Valve for Sanitary Applications ■ Sanitary Butterfly Valve for Powder and Granule Discharge ■ CNT (Carbon Nanotube) Added Antistatic Diaphragm If you would like to make an appointment in advance, our technical staff will be available during the exhibition to provide estimates and proposals. Please feel free to apply for an appointment through our company page on the official exhibition website or contact us directly. Additionally, we are distributing free "Invitation Tickets." If you would like one, please do not hesitate to reach out. We look forward to seeing you at the event.

Dear Sir/Madam, I hope this message finds you in good health and spirits. I would like to express my sincere gratitude for your continued support. We regret to inform you that our company will be closed all day on Friday, October 23, 2020, in observance of our founding anniversary. We apologize for any inconvenience this may cause and appreciate your understanding.

We have updated the English version catalog of the "Two-Stage Open/Close Rotary Air Operated Drive Unit, Two-Stage Open/Close Ball Valve," handled by Japan Diavalve Co., Ltd. This product features a mechanism that allows for mechanical two-step operation in the opening and closing of the valve by installing a sub-cylinder to our standard rotary air operated drive unit (90-degree rotation, Scotch yoke type, W piston). It enables the flow of a fixed amount of fluid through staged operation and has a proven track record for capacity control in quantitative shipping lines and water hammer prevention. Please download the catalog and take a look. 【Product Features】 ■ Installation of a sub-cylinder to our standard rotary air operated drive unit ■ Mechanism for mechanical two-step operation in the opening and closing of the valve ■ Ability to flow a fixed amount of fluid through staged operation ■ Proven track record for capacity control in quantitative shipping lines and water hammer prevention *For more details, please refer to the PDF document or feel free to contact us. *You can download the English version catalog.

From August 8 (Saturday) to August 11 (Tuesday), 2020 Our company will be closed for a company-wide holiday during the above period. We apologize for any inconvenience this may cause and appreciate your understanding.

We have revised the "Diaphragm Valve" catalog and have started distributing "No. D303-08." For those who may not be familiar with diaphragm valves, we have made an effort to edit the catalog to present the necessary product information in a clearer, more accessible, and more visually appealing layout. We hope this will be helpful in selecting diaphragm valves for your daily operations. We would be grateful if you could gain a deeper understanding of our products. Additionally, we offer an electronic version of the catalog on our website. It can be viewed on various devices, including PCs, iPads, iPhones, and Android devices, so please feel free to check it out on your tablet as well. *If you would like to receive a physical copy of the catalog, you can apply through the inquiry page. If you have any questions or concerns, please do not hesitate to contact us. We also have case studies and a FAQ section available. Please check them out in the related catalogs below.

We have published the product page for the Bio-Clean Diaphragm Valve. In processes such as "chemicals" and "food industry," "hygiene management" is a necessary condition... In such cases, valves with "sanitary specifications" are required. ⇒ The valve specialized for this is the 'Bio-Clean Diaphragm Valve'! 【Main Features】 ■ Available on the product page below! 【Published Product Page】 ■ Features of the Bio-Clean Diaphragm Valve ■ Standard Specifications ■ Manual Operated Valve ■ Pneumatic ON-OFF Valve (Standard Type) ■ Pneumatic ON-OFF Valve (Stainless Steel Drive Part) *For more details, please refer to the catalog or feel free to contact us.